Finding the Fourth Proportional to 1,538,404.14, 2,307,607.98 and 401,165.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,404.14 : 2,307,607.98 = 401,165.34 : x
2. Step 2: Convert to fraction form
   1,538,404.14/2,307,607.98 = 401,165.34/x
3. Step 3: Cross multiply
   1,538,404.14x = 2,307,607.98 × 401,165.34
4. Step 4: Simplify right side
   1,538,404.14x = 925,732,339,883.41
5. Step 5: Solve for x
   x = 925,732,339,883.41/1,538,404.14
6. Step 6: Final answer
   x = 601,748.47